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Distribution of relevant documents in domain-level aggregates for topic distillation

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Distribution of relevant documents in domain-level aggregates for topic distillation
In this paper, we study the distribution of relevant documents in aggregates, formed by grouping the retrieved documents according to their domain. For each aggregate, we take into account its size, and a measure of the correlation between its incoming and outgoing hyperlinks. We report on a preliminary experiment with two TREC topic distillation tasks, where we find that larger aggregates, or those aggregates with correlated hyperlinks, are more likely to contain relevant documents. This result shows that the distribution of domain-level aggregates is potentially useful for finding relevant documents. Categories and Subject Descriptors H.3.3 [Information Storage and Retrieval] General Terms: Experimentation
Vassilis Plachouras, Iadh Ounis
Added 22 Nov 2009
Updated 22 Nov 2009
Type Conference
Year 2004
Where WWW
Authors Vassilis Plachouras, Iadh Ounis
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